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MSDS 
:
 Diisobutylaluminum hydride (1.0M solution in toluene)
CAS 
:
 108-88-3
SYNONYMS 
:
 DIBAL-H.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 108-88-3 |Toluene | 85.8 | 203-625-9 |
|----------------|--------------------------------------|----------|-----------|
| 1191-15-7 |Diisobutylaluminum hydride | 14.2 | 214-729-9 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN F C
Risk Phrases: 11 14/15 35 20 63 67

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water liberating extremely
flammable gases. Causes severe burns. Harmful by inhalation. Possible
risk of harm to the unborn child. Vapours may cause drowsiness and
dizziness.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns. Prolonged and/or repeated contact may cause
defatting of the skin and dermatitis.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes
gastrointestinal tract burns. May cause liver and kidney damage.
Aspiration of material into the lungs may cause chemical
pneumonitis, which may be fatal. May be harmful if swallowed. May
cause central nervous system effects.
Inhalation:
May cause liver and kidney damage. Causes chemical burns to the
respiratory tract. Aspiration may lead to pulmonary edema. Vapors
may cause dizziness or suffocation. May cause central, peripheral,
and autonomic nervous system effects. May cause hypotension,
depressed cardiac output, and bradycardia.
Chronic:
Prolonged or repeated skin contact may cause defatting and
dermatitis. May cause liver and kidney damage.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Get medical aid immediately. Do NOT allow victim to rub eyes or keep
eyes closed. Extensive irrigation with water is required (at least 30
minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Never give anything by mouth to an
unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If breathing is difficult, give oxygen. Do NOT use
mouth-to-mouth resuscitation. If breathing has ceased apply
artificial respiration using oxygen and a suitable mechanical device
such as a bag and a mask.
Notes to Physician:
Treat symptomatically and supportively.

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
Evacuate area and fight fire from a safe distance. As in any fire,
wear a self-contained breathing apparatus in pressure-demand,
MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors
may form an explosive mixture with air. Vapors can travel to a source
of ignition and flash back. May burn with invisible flame. During a
fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion. Water Reactive. Material will react with
water and may release a flammable and/or toxic gas. Use water spray
to keep fire-exposed containers cool. Water may be ineffective.
Material is lighter than water and a fire may be spread by the use of
water. Flammable liquid and vapor. Vapors may be heavier than air.
They can spread along the ground and collect in low or confined
areas. Will be easily ignited by heat, sparks or flame. Containers
may explode if exposed to fire.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. Water may be ineffective. Water may spread
fire. If water is the only media available, use in flooding amounts.
For large fires, use water spray, fog or alcohol-resistant foam. Do
NOT use straight streams of water. Contact professional
fire-fighters immediately. Cool containers with flooding quantities
of water until well after fire is out.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Avoid runoff into storm sewers and
ditches which lead to waterways. Clean up spills immediately,
observing precautions in the Protective Equipment section. Sweep up
or absorb material, then place into a suitable clean, dry, closed
container for disposal. Scoop up with a nonsparking tool, then place
into a suitable container for disposal. Remove all sources of
ignition. Isolate area and deny entry. Provide ventilation. Do not
expose spill to water. Do not use combustible materials such as paper
towels to clean up spill.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Remove contaminated clothing and wash before reuse. Use only in a
well-ventilated area. Do not allow water to get into the container
because of violent reaction. Ground and bond containers when
transferring material. Use spark-proof tools and explosion proof
equipment. Avoid contact with eyes, skin, and clothing. Empty
containers retain product residue, (liquid and/or vapor), and can be
dangerous. Keep container tightly closed. Keep away from heat,
sparks and flame. Avoid ingestion and inhalation. Discard
contaminated shoes. Do not pressurize, cut, weld, braze, solder,
drill, grind, or expose empty containers to heat, sparks or open
flames. Keep from contact with moist air and steam.
Storage:
Keep away from heat, sparks, and flame. Store in a cool, dry,
well-ventilated area away from incompatible substances. Keep away
from water. Refrigerator/flammables. Keep containers tightly closed.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or
utilizing this material should be equipped with an eyewash facility
and a safety shower. Use adequate general or local exhaust
ventilation to keep airborne concentrations below the permissible
exposure limits.
Exposure Limits
CAS# 108-88-3:
United Kingdom, WEL - TWA: 50 ppm TWA; 191 mg/m3 TWA
United Kingdom, WEL - STEL: 150 ppm STEL; 574 mg/m3 STEL
United States OSHA: 200 ppm TWA; 300 ppm Ceiling
Belgium - TWA: 50 ppm VLE; 191 mg/m3 VLE
France - VME: 100 ppm VME; 375 mg/m3 VME
France - VLE: 150 ppm VLE; 550 mg/m3 VLE
Germany: 50 ppm TWA; 190 mg/m3 TWA
Germany: Skin absorber
Japan: 50 ppm OEL; 188 mg/m3 OEL
Malaysia: 50 ppm TWA; 188 mg/m3 TWA
Netherlands: 40 ppm MAC; 150 mg/m3 MAC
Russia: 50 mg/m3 TWA
Spain: 50 ppm VLA-ED; 191 mg/m3 VLA-ED
CAS# 1191-15-7:


Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: > 110 deg C
Freezing/Melting Point: Not available.
Autoignition Temperature: 480 deg C ( 896.00 deg F)
Flash Point: > 4.4 deg C (> 39.92 deg F)
Explosion Limits, lower: 1.2 (approx)
Explosion Limits, upper: 7.1 (approx)
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: .8580g/cm3
Molecular Formula: Mixture
Molecular Weight:

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures. Combines vigorously
or explosively with water.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, exposure
to air, excess heat, strong oxidants, exposure to moist air or water,
mechanical shock.
Incompatibilities with Other Materials:
Strong oxidizing agents, acids, alcohols, bromine trifluoride,
halogenated organics (e.g. dibromoethane, hexachlorobenzene, methyl
chloride, trichloroethylene), dinitrogen tetraoxide,
tetranitromethane, uranium hexafluoride.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and
gases, carbon dioxide, aluminum oxide.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 108-88-3: XS5250000
CAS# 1191-15-7: BD0710000
LD50/LC50:
CAS# 108-88-3: Draize test, rabbit, eye: 870 ug Mild; Draize test,
rabbit, eye: 2 mg/24H Severe; Draize test, rabbit, skin: 435 mg Mild;
Draize test, rabbit, skin: 500 mg Moderate; Draize test, rabbit,
skin: 20 mg/24H Moderate; Inhalation, mouse: LC50 = 400 ppm/24H;
Inhalation, mouse: LC50 = 30000 mg/m3/2H; Inhalation, mouse: LC50 =
19900 mg/m3/7H; Inhalation, mouse: LC50 = 10000 mg/m3; Inhalation,
rat: LC50 = 49 gm/m3/4H; Oral, rat: LD50 = 636 mg/kg; Skin, rabbit:
LD50 = 14100 uL/kg.
CAS# 1191-15-7.
Carcinogenicity:
Toluene -
Not listed by ACGIH, IARC, or NTP.
Diisobutylaluminum hydride -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Cas# 108-88-3:
LC50(96Hr.) = 24.0 mg/L Rainbow trout
LC50(96Hr) =
24.0 mg/L Bluegill
EC50(48Hr) = 310-313 mg/L Photobacterium
phosphoreum

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
USA RQ: CAS# 108-88-3: 1000 lb final RQ; 454 kg final RQ

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN F C
Risk Phrases:
R 11 Highly flammable.
R 14/15 Reacts violently with water liberating
extremely flammable gases.
R 20 Harmful by inhalation.
R 35 Causes severe burns.
R 63 Possible risk of harm to the unborn child.
R 67 Vapours may cause drowsiness and dizziness.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 23 Do not inhale gas/fumes/vapour/spray.
S 25 Avoid contact with eyes.
S 29 Do not empty into drains.
S 30 Never add water to this product.
S 33 Take precautionary measures against static
discharges.
S 36 Wear suitable protective clothing.
S 43A In case of fire, use dry chemical (never use
water).
WGK (Water Danger/Protection)
CAS# 108-88-3: 2
CAS# 1191-15-7: 2
Canada
CAS# 108-88-3 is listed on Canada's DSL List.
CAS# 1191-15-7 is listed on Canada's DSL List.
CAS# 108-88-3 is listed on Canada's Ingredient Disclosure List.
CAS# 1191-15-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 108-88-3 is listed on the TSCA inventory.
CAS# 1191-15-7 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
R 11 Highly flammable.
R 20 Harmful by inhalation.
MSDS Creation Date: 5/20/1999 Revision #4 Date: 1/10/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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